[1] Buon Consiglio Fatebenefratelli Hosp, Dept Woman & Child, Naples, Italy
[2] Univ Salerno, Scuola Med Salernitana, Dept Med & Surg, Sect Pediat, Salerno, Italy
[3] Univ Naples Federico II, Dept Translat Med Sci, Div Pediat, Naples, Italy
[4] Univ Naples Federico II, Dept Clin Med & Surg, Naples, Italy
[5] Univ Parma, Pietro Barilla Childrens Hosp, Dept Med & Surg, Neonatol Unit, Parma, Italy
[6] Univ Siena, Dept Mol & Dev Med, Siena, Italy